US President Joe Biden on Sunday paid tribute to the victims of the 9/11 terror attack by al-Qaeda terrorists, taking part in a remembrance event at the Pentagon, and delivered remarks to honour those killed. "I know for all those of you who lost someone, 21 years is both a lifetime and no time at all," Biden said at the National 9/11 Pentagon Memorial in Arlington, Virginia. from US News Headlines, Latest USA News, US news live on Times of India https://ift.tt/AZUoFRv